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linux: Fix caps lock not working consistently for certain X11 systems (#35361)

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Closes #35316

Bug in https://github.com/zed-industries/zed/pull/34514

Turns out you are not supposed to call `update_key` for modifiers on
`KeyPress`/`KeyRelease`, as modifiers are already updated in
`XkbStateNotify` events. Not sure why this only causes issues on a few
systems and works on others.

Tested on Ubuntu 24.04.2 LTS (initial bug) and Kubuntu 25.04 (worked
fine before too).

Release Notes:

- Fixed an issue where caps lock stopped working consistently on some
Linux X11 systems.
This commit is contained in:
Smit Barmase 2025-07-31 00:56:36 +05:30 • committed by GitHub
parent bc6bb42745
commit cdce3b3620
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1 changed files with 8 additions and 6 deletions
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14
crates/gpui/src/platform/linux/x11/client.rs
View file

@ -1004,12 +1004,13 @@ impl X11Client {
let mut keystroke = crate::Keystroke::from_xkb(&state.xkb, modifiers, code);
let keysym = state.xkb.key_get_one_sym(code);
// should be called after key_get_one_sym
state.xkb.update_key(code, xkbc::KeyDirection::Down);
if keysym.is_modifier_key() {
return Some(());
}
// should be called after key_get_one_sym
state.xkb.update_key(code, xkbc::KeyDirection::Down);
if let Some(mut compose_state) = state.compose_state.take() {
compose_state.feed(keysym);
match compose_state.status() {
@ -1067,12 +1068,13 @@ impl X11Client {
let keystroke = crate::Keystroke::from_xkb(&state.xkb, modifiers, code);
let keysym = state.xkb.key_get_one_sym(code);
// should be called after key_get_one_sym
state.xkb.update_key(code, xkbc::KeyDirection::Up);
if keysym.is_modifier_key() {
return Some(());
}
// should be called after key_get_one_sym
state.xkb.update_key(code, xkbc::KeyDirection::Up);
keystroke
};
drop(state);